Many characters are a member of a 'family' of characters. Families are based on a 'core' character. Once you learn the 'core' character you will be able to remember its entier family of characters. The method presented in this book helps learners of all types learn a core group of over 600 characters from A to Z. The methoed presented is a great additon to the resources students need who are preparing for HSK level 1-6 exams.